CN102602931A - Method for preparing medical active carbon tube by utilizing hairs - Google Patents
Method for preparing medical active carbon tube by utilizing hairs Download PDFInfo
- Publication number
- CN102602931A CN102602931A CN2012100826008A CN201210082600A CN102602931A CN 102602931 A CN102602931 A CN 102602931A CN 2012100826008 A CN2012100826008 A CN 2012100826008A CN 201210082600 A CN201210082600 A CN 201210082600A CN 102602931 A CN102602931 A CN 102602931A
- Authority
- CN
- China
- Prior art keywords
- hair
- activated carbon
- carbon pipe
- medical activated
- utilizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Cosmetics (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a method for preparing a medical active carbon tube by utilizing hairs. The method comprises the following steps of: firstly cutting the hairs into small sections, then soaking the small sections of hairs into activating agent solution, then carrying out microwave activation, and finally carrying out high-temperature carbonization. The method has the beneficial effects that 1, the preparation process is simple, energy-saving and environment-friendly; 2, the prepared medical active carbon is stable, and the thickness of the tube wall is even, and the prepared medical active carbon is excellent medical active carbon; 3, the preparation process is short in period, and low in energy consumption, and the product yield is high; and 4, a new path for raw materials of the medical active carbon tube is opened up, and the method has important application prospect.
Description
Technical field
The present invention relates to a kind of preparation method of medical activated carbon pipe, relate in particular to a kind of method of utilizing hair to prepare the medical activated carbon pipe.
Background technology
The medical activated carbon pipe is one type and can be used for pharmacy, medical accessory, the sp act charcoal of medical fields such as detoxifcation.This type activated carbon tube mainly also has very high requirement to its all kinds of metal element contents that contain except having required preferably absorption property, use general plant and coal etc. to be difficult to meet the demands as the activated carbon tube of raw material.
Preparation pharmaceutical grade process of active carbon still adopts timber, coal, shell etc. as carbon raw material, through master operations such as granulation, drying, carbonization, activation, purifications usually at present.Activation stage in the operation generally will be at 460-600
oUnder the C temperature condition activation 24-72 hour, the process cycle of therefore making the pharmaceutical grade gac was long, and energy consumption is big, and the product yield is low.
Hair is a kind of material of seeing often during people live, and the staple of hair is a keratoprotein.Natural on-off cycles of hair growth is in human body, and each dvielement that contains in the hair all derives from human body self, and each constituent content is closely related in the content of each element and ratio and the human body.Therefore all kinds of metal trace elements in the hair can both be found in human body, and become certain relation with the interior metal trace element content of human body.This just provides inborn favourable condition for preparing the medical activated carbon pipe with hair.
According to 15-20 centimetre of the annual approximately growth of measuring and calculating normal people's hair, 50 grams are arranged approximately.Therefore, the hair resource is very abundant.Utilization to hair mostly is some elementary, simple ways at present.For example: utilize hair to make some small tools or ornamental, its technology content and added value are all not high.Therefore research prepares the medical activated carbon pipe with hair, to the effective and reasonable hair that utilizes, enriches medical activated carbon pipe raw material, and crucial meaning is arranged.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of preparation technology is simple, the hair that utilizes of energy-conserving and environment-protective prepares the method for medical activated carbon pipe.
The technical scheme that the present invention adopted is:
A kind of method of utilizing hair to prepare the medical activated carbon pipe is characterized in that: concrete steps are:
The chemical impregnation of step 1, hair
After the hair water cleaned up and dry, shred and be the segment of length less than 5mm; The hair that will shred again to segment places activator solution to soak;
The microwave activation of step 2, hair
With the hair that the activated agent solution of microwave activation soaks, dry behind the hair of microwave activation with deionized water rinsing again;
The carbonization of step 3, hair
Place the tubular type charring furnace to carry out high temperature cabonization in the hair of drying in the step 2, the hair after the carbonization is the medical activated carbon pipe.
Press such scheme, the activator solution in the step 1 is H
3PO
4, K
2CO
3, Na
2CO
3, Na
2HPO
4Or K
2HPO
4In a kind of, and described H
3PO
4, K
2CO
3, Na
2CO
3, Na
2HPO
4Or K
2HPO
4The mass percent concentration of solution is 5-30%.
Press such scheme, the hair that will shred to segment in the step 1 places activator solution to soak 24 hours, and soaking temperature is 55 ± 5
OC
Press such scheme, the bake out temperature in the step 1 is 105 ± 5
oC.
Press such scheme, the microwave power of the microwave activation in the step 2 is 300-600W, and the microwave activation time is 3-5 minute.
Press such scheme, the bake out temperature in the step 2 is 105 ± 5
oC.
Press such scheme, the concrete steps of the high temperature cabonization in the step 3 are: the tubular type charring furnace is warmed up to 230-270
oBehind the C, insulation for some time, and then be cooled to the room temperature taking-up.
Press such scheme, the heat-up rate in the step 3 is 5-10
oC/ minute; Soaking time is 30-90 minute.
Hair staple used in the present invention is a keratoprotein, accounts for 97%, and it is made up of the amino acid chain that about 20 seed amino acids form.Comprise Gelucystine, methionine(Met), leucine, Xie Ansuan, Threonine, phenylalanine(Phe), Methionin, Histidine, tryptophane, Isoleucine etc.; Wherein with the highest 15-16% that is about of content of Gelucystine; Also contain the trace element of the kind more than 20 of having an appointment in the hair, mainly comprise zinc, calcium, manganese, cadmium, mercury, selenium, copper, cobalt, iron, titanium, molybdenum, nickel etc.Because hair derives from human body self; Its all kinds of constituent contents and human body have substantial connection; Especially the content of metallic element; Even after processing activated carbon tube, the content of each metallic element also can satisfy the requirement of medical activated carbon pipe, so hair is the high quality raw material of processing medical grade activated carbon tube.
The medical activated carbon pipe that the present invention makes is a tubular structure, and internal diameter of the pipeline is generally the 30-60 micron, and thickness of pipe is generally the 7-10 micron, even tube wall and flaky texture is arranged.According to measuring its average BET value is 467 m
2g
-1, the average pore volume is 0.634cm
3g
-1, average methylene blue adsorptive value is 116 ml g
-1Molysite, heavy metal, water-soluble zinc salt, acid-soluble material, muriate and vitriol equal size all satisfy the standard of pharmaceutical activated carbon tube in addition.
Beneficial effect of the present invention is: 1, simple, the energy-conserving and environment-protective of this preparation technology.2, prepared medical activated carbon pipe is stable, thickness of pipe is even, is good medical activated carbon pipe.3, this preparation technology's cycle weak point, energy consumption is little, and the product yield is high.4, open up new approach for the raw material sources of medical activated carbon pipe, had important application prospects.
Description of drawings
Fig. 1 is the process flow sheet of the embodiment of the invention 1 preparation medical activated carbon pipe.
Fig. 2 utilizes the present invention to make the electron-microscope scanning figure of medical activated carbon pipe.
Embodiment
Further specify embodiments of the invention below in conjunction with accompanying drawing.
Embodiment 1
Referring to Fig. 1, a kind of method of utilizing hair to prepare the medical activated carbon pipe, concrete steps are:
With the impurity of hair water cleaning many times, in 105 ± 5 to adhere on the removal hair
oShred after the C oven dry and be the segment of length less than 5mm; Again this segment hair raw material being placed mass concentration is 30% phosphoric acid solution, 55 ± 5
oC soaked 24 hours down, used power to handle minute as the microwave activation 5 of 300W afterwards, afterwards with the Hair grooming deionized water rinsing after the activation and in 105 ± 5
oThe C oven dry; Place tubular reactor to carry out high temperature cabonization in the hair after the above-mentioned processing at last and handle, the high temperature cabonization treating processes is: is 10 with tubular reactor in heat-up rate
oBe warming up to 270 in C/ minute
oBehind the C, insulation 30min is cooled to room temperature at last again and takes out, and the finished product of taking-up is the medical activated carbon pipe.
A is for adopting the medical activated carbon pipe electron-microscope scanning figure of the described method preparation of present embodiment among Fig. 2, and used Electronic Speculum model is the JSM-5610LV type.We can be clearly seen that the microscopic appearance of medical activated carbon pipe from figure: the basic tubular structure of hair does not suffer obvious destruction, even tube wall; The fracture of tubular structure is neat, and wall is smooth, and is glossy.BET specific surface area according to measuring this medical activated carbon pipe is 463m
2g
-1, the average pore volume is 0.481cm
3g
-1
Embodiment 2
A kind of method of utilizing hair to prepare the medical activated carbon pipe, concrete steps are:
With the impurity of hair water cleaning many times, in 105 ± 5 to adhere on the removal hair
oShred after the C oven dry and be the segment of length less than 5mm; Again this segment hair raw material being placed mass concentration is 30% phosphoric acid solution, 55 ± 5
oC soaked 24 hours down, used power to handle 5 minutes as the microwave activation of 450W afterwards, afterwards again with the Hair grooming deionized water rinsing behind the microwave activation and in 105 ± 5
oThe C oven dry; Place tubular reactor to carry out high temperature cabonization processing, the temperature rise rate 10 of carbonizing treatment in the hair of above-mentioned oven dry
oC/min is when temperature reaches 250
oInsulation 30 min behind the C treat that at last it is cooled to room temperature and takes out, and promptly gets the medical activated carbon pipe.
B is the electron-microscope scanning figure under the medical activated carbon pipe that adopts the described method preparation of present embodiment among Fig. 2; Used Electronic Speculum model is the JSM-5610LV type; We can be clearly seen that the microscopic appearance of this activated carbon tube from figure: this activated carbon tube keeps tubular structure, even tube wall; Wall is smooth, and outside surface has flaky texture.BET value according to measuring this medical activated carbon pipe is 543m
2g
-1, the average pore volume is 0.689cm
3g
-1
Embodiment 3
A kind of method of utilizing hair to prepare the medical activated carbon pipe, concrete steps are:
With the impurity of hair water cleaning many times, in 105 ± 5 to adhere on the removal hair
oShred after the C oven dry and be the segment of length less than 5mm; It is 30% phosphoric acid solution that this segment hair raw material is placed mass concentration, 55 ± 5
OCUnder soaked 24 hours, use power to handle 5 minutes afterwards, then with the Hair grooming deionized water rinsing behind the microwave activation and in 105 ± 5 as the microwave activation of 600W
oC is dried, and then places tubular reactor to carry out the high temperature cabonization processing in the hair of above-mentioned oven dry, and the temperature rise rate that high temperature cabonization is handled is 10
oC/min is when arriving design temperature 230
oBehind the C, be incubated 30 min, treat from tubular reactor, to take out after it is cooled to room temperature, this extract is the medical activated carbon pipe.
C is the electron-microscope scanning figure that adopts the medical activated carbon pipe of the described method preparation of present embodiment among Fig. 2; Used Electronic Speculum model is the JSM-5610LV type; We can be clearly seen that the microscopic appearance of this medical activated carbon pipe: the activated carbon tube even tube wall from figure; The tube wall face is smooth, tube wall surfaces externally and internally uniform distribution gap structure, and be main with micropore.BET value according to measuring this medicinal active carbon pipe is 551m
2g
-1, the average pore volume is 0.662cm
3g
-1
Embodiment 4
A kind of method of utilizing hair to prepare the medical activated carbon pipe, concrete steps are:
With the impurity of hair water cleaning many times, in 105 ± 5 to adhere on the removal hair
oShred after the C oven dry and be the segment of length less than 5mm; It is 20% ZnCl that this segment hair raw material is placed mass concentration
2In the solution, 55 ± 5
oC soaked 24 hours down, used power to handle 3 minutes as the microwave activation of 600W afterwards, then with the Hair grooming deionized water rinsing behind the microwave activation and in 105 ± 5
oThe C oven dry; Place tubular reactor to carry out high temperature cabonization in the hair after the above-mentioned oven dry and handle the temperature rise rate 10 that high temperature cabonization is handled
OC/ min is when temperature is raised to design temperature 250
oBehind the C, be incubated 30 min, treat that then it is cooled to room temperature after, from tubular reactor, take out, this extract is the medical activated carbon pipe.
D is the electron-microscope scanning figure of the medical activated carbon pipe of the said method preparation of employing present embodiment among Fig. 2; Used Electronic Speculum model is the JSM-5610LV type, and we can be clearly seen that the microscopic appearance of this medical activated carbon pipe from figure: activated carbon tube tube wall section part and surface are evenly distributed with gap structure.BET value according to measuring this medical activated carbon pipe is 479 m
2g
-1, the average pore volume is 0.731 cm
3g
-1
Embodiment 5
A kind of method of utilizing hair to prepare the medical activated carbon pipe, concrete steps are:
With the impurity of hair water cleaning many times, in 105 ± 5 to adhere on the removal hair
oShred after the C oven dry and be the segment of length less than 5mm; It is 30% K that this segment hair raw material is placed mass concentration
2CO
3In the solution, 55 ± 5
oC soaked 24 hours down, used power to handle 5 minutes as the microwave activation of 500W afterwards, then with the Hair grooming deionized water rinsing behind the microwave activation and in 105 ± 5
oC is dried, and then places tubular reactor to carry out the high temperature cabonization processing in the hair of above-mentioned oven dry, and the temperature rise rate that high temperature cabonization is handled is 8
oC/min is when arriving design temperature 240
oBehind the C, be incubated 60 min, treat from tubular reactor, to take out after it is cooled to room temperature, this extract is the medical activated carbon pipe.
Through measuring, the BET surface-area of the hair base medical activated carbon pipe that obtains under this condition is 385 m
2g
-1, average pore volume is 507 cm
3g
-1
Embodiment 6
A kind of method of utilizing hair to prepare the medical activated carbon pipe, concrete steps are:
With the impurity of hair water cleaning many times, in 105 ± 5 to adhere on the removal hair
oShred after the C oven dry and be the segment of length less than 5mm; It is 20% Na that this segment hair raw material is placed mass concentration
2CO
3In the solution, 55 ± 5
oC soaked 24 hours down, used power to handle 5 minutes as the microwave activation of 550W afterwards, then with the Hair grooming deionized water rinsing behind the microwave activation and in 105 ± 5
oC is dried, and then places tubular reactor to carry out the high temperature cabonization processing in the hair of above-mentioned oven dry, and the temperature rise rate that high temperature cabonization is handled is 6
oC/min is when arriving design temperature 250
oBehind the C, be incubated 70 min, treat from tubular reactor, to take out after it is cooled to room temperature, this extract is the medical activated carbon pipe.
Through measuring, the BET surface-area of the hair base medical activated carbon pipe that obtains under this condition is 417 m
2g
-1, average pore volume is 0.582 cm
3g
-1
Embodiment 7
A kind of method of utilizing hair to prepare the medical activated carbon pipe, concrete steps are:
With the impurity of hair water cleaning many times, in 105 ± 5 to adhere on the removal hair
oShred after the C oven dry and be the segment of length less than 5mm; It is 30% Na that this segment hair raw material is placed mass concentration
2HPO
4In the solution, 55 ± 5
oC soaked 24 hours down, used power to handle 5 minutes as the microwave activation of 400W afterwards, then with the Hair grooming deionized water rinsing behind the microwave activation and in 105 ± 5
oC is dried, and then places tubular reactor to carry out the high temperature cabonization processing in the hair of above-mentioned oven dry, and the temperature rise rate that high temperature cabonization is handled is 9
oC/min is when arriving design temperature 260
oBehind the C, be incubated 90 min, treat from tubular reactor, to take out after it is cooled to room temperature, this extract is the medical activated carbon pipe.
Through measuring, the BET surface-area of the hair base medical activated carbon pipe that obtains under this condition is 480 m
2g
-1, average pore volume is 0.709 cm
3g
-1
Embodiment 8
A kind of method of utilizing hair to prepare the medical activated carbon pipe, concrete steps are:
With the impurity of hair water cleaning many times, in 105 ± 5 to adhere on the removal hair
oShred after the C oven dry and be the segment of length less than 5mm; It is 25% K that this segment hair raw material is placed mass concentration
2HPO
4In the solution, 55 ± 5
oC soaked 24 hours down, used power to handle 5 minutes as the microwave activation of 450W afterwards, then with the Hair grooming deionized water rinsing behind the microwave activation and in 105 ± 5
oC is dried, and then places tubular reactor to carry out the high temperature cabonization processing in the hair of above-mentioned oven dry, and the temperature rise rate that high temperature cabonization is handled is 10
oC/min is when arriving design temperature 260
oBehind the C, be incubated 50 min, treat from tubular reactor, to take out after it is cooled to room temperature, this extract is the medical activated carbon pipe.
Through measuring, the BET surface-area of the hair base medical activated carbon pipe that obtains under this condition is 533 m
2g
-1, average pore volume is 0.721 cm
3g
-1
Among the above-described embodiment; The model of used tubular reactor is KSS-XB type electric furnace that sky, High-Tech Development Zone, Luoyang wound experimental electric furnace factory produces; The device of described microwave activation is the N9 G99S type microwave oven that Samsung Electronics (Suzhou) Co., Ltd. produces, and described room temperature is 25 ± 5 ℃; Used hair raw material is in barber shop, to buy to obtain.
Claims (8)
1. method of utilizing hair to prepare the medical activated carbon pipe, it is characterized in that: concrete steps are:
The chemical impregnation of step 1, hair
After the hair water cleaned up and dry, shred and be the segment of length less than 5mm; The hair that will shred again to segment places activator solution to soak;
The microwave activation of step 2, hair
With the hair that the activated agent solution of microwave activation soaks, dry behind the hair of microwave activation with deionized water rinsing again;
The carbonization of step 3, hair
Place the tubular type charring furnace to carry out high temperature cabonization in the hair of drying in the step 2, the hair after the carbonization is the medical activated carbon pipe.
2. the method for utilizing hair to prepare the medical activated carbon pipe as claimed in claim 1 is characterized in that: the activator solution in the step 1 is H
3PO
4, K
2CO
3, Na
2CO
3, Na
2HPO
4Or K
2HPO
4In a kind of, and described H
3PO
4, K
2CO
3, Na
2CO
3, Na
2HPO
4Or K
2HPO
4The mass percent concentration of solution is 5-30%.
3. according to claim 1 or claim 2 the hair that utilizes prepares the method for medical activated carbon pipe, it is characterized in that: the hair that will shred to segment in the step 1 places activator solution to soak 24 hours, and soaking temperature is 55 ± 5
oC.
4. the method for utilizing hair to prepare the medical activated carbon pipe as claimed in claim 3 is characterized in that: the bake out temperature in the step 1 is 105 ± 5
oC.
5. the method for utilizing hair to prepare the medical activated carbon pipe as claimed in claim 1 is characterized in that: the microwave power of the microwave activation in the step 2 is 300-600W, and the microwave activation time is 3-5 minute.
6. the method for utilizing hair to prepare the medical activated carbon pipe as claimed in claim 5 is characterized in that: the bake out temperature in the step 2 is 105 ± 5
oC.
7. the method for utilizing hair to prepare the medical activated carbon pipe as claimed in claim 1 is characterized in that: the concrete steps of the high temperature cabonization in the step 3 are: the tubular type charring furnace is warmed up to 230-270
oBehind the C, insulation for some time, and then be cooled to the room temperature taking-up.
8. the method for utilizing hair to prepare the medical activated carbon pipe as claimed in claim 7 is characterized in that: the heat-up rate in the step 3 is 5-10
oC/ minute; Soaking time is 30-90 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210082600.8A CN102602931B (en) | 2012-03-27 | 2012-03-27 | Method for preparing medical active carbon tube by utilizing hairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210082600.8A CN102602931B (en) | 2012-03-27 | 2012-03-27 | Method for preparing medical active carbon tube by utilizing hairs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102602931A true CN102602931A (en) | 2012-07-25 |
| CN102602931B CN102602931B (en) | 2014-01-22 |
Family
ID=46520803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210082600.8A Expired - Fee Related CN102602931B (en) | 2012-03-27 | 2012-03-27 | Method for preparing medical active carbon tube by utilizing hairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102602931B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425803A (en) * | 2013-08-30 | 2015-03-18 | 苏州宝时得电动工具有限公司 | Method for preparing composite electrode material, composite electrode material and battery |
| CN108620021A (en) * | 2018-05-25 | 2018-10-09 | 中北大学 | Adsorb the hair base Carbon Materials and preparation method thereof of heavy metal ion |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979533B (en) * | 2014-02-24 | 2015-05-20 | 周通 | Preparation method for nitrogen-sulfur double-doped active carbon for supercapacitors |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1857998A (en) * | 2006-01-10 | 2006-11-08 | 梁逵 | Method for preparing carbon nano material by micro wave radiation of coal |
| CN1876566A (en) * | 2006-03-24 | 2006-12-13 | 大连理工大学 | Microwave radiation method for preparing active carbon from biomass |
| CN101171987A (en) * | 2007-10-15 | 2008-05-07 | 邓湘凌 | Technique for producing artificial diamond |
| CN101823708A (en) * | 2010-05-26 | 2010-09-08 | 侯梦斌 | Equipment and process for producing active carbon by utilizing microwave energy |
| CN102161485A (en) * | 2011-04-27 | 2011-08-24 | 武汉纺织大学 | Method for preparing activated carbon by using waste wool |
-
2012
- 2012-03-27 CN CN201210082600.8A patent/CN102602931B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1857998A (en) * | 2006-01-10 | 2006-11-08 | 梁逵 | Method for preparing carbon nano material by micro wave radiation of coal |
| CN1876566A (en) * | 2006-03-24 | 2006-12-13 | 大连理工大学 | Microwave radiation method for preparing active carbon from biomass |
| CN101171987A (en) * | 2007-10-15 | 2008-05-07 | 邓湘凌 | Technique for producing artificial diamond |
| CN101823708A (en) * | 2010-05-26 | 2010-09-08 | 侯梦斌 | Equipment and process for producing active carbon by utilizing microwave energy |
| CN102161485A (en) * | 2011-04-27 | 2011-08-24 | 武汉纺织大学 | Method for preparing activated carbon by using waste wool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425803A (en) * | 2013-08-30 | 2015-03-18 | 苏州宝时得电动工具有限公司 | Method for preparing composite electrode material, composite electrode material and battery |
| CN104425803B (en) * | 2013-08-30 | 2017-04-12 | 苏州宝时得电动工具有限公司 | Method for preparing composite electrode material, composite electrode material and battery |
| CN108620021A (en) * | 2018-05-25 | 2018-10-09 | 中北大学 | Adsorb the hair base Carbon Materials and preparation method thereof of heavy metal ion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102602931B (en) | 2014-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101746759B (en) | Method for synthesizing silicon carbide nano wire by utilizing plant fiber | |
| Tian et al. | Beyond lotus: Plasma nanostructuring enables efficient energy and water conversion and use | |
| CN104167301B (en) | Method for using carbonized Enteromorpha to prepare supercapacitor electrode material | |
| CN102602931B (en) | Method for preparing medical active carbon tube by utilizing hairs | |
| CN106732358B (en) | A kind of biomass carbonization microballoon loading iron oxide and its preparation and application | |
| CN106517182A (en) | Preparation method of biomass carbon adopting layered structure | |
| CN104528696A (en) | Preparation method for graphene and graphene | |
| CN104803384A (en) | Method for preparing activated carbon using betel nut shells as raw materials and prepared activated carbon | |
| CN103318885A (en) | Method for preparing activated carbon from pomelo peels | |
| CN107459042A (en) | A kind of method that template-free method prepares three-dimensional multistage duct activated carbon | |
| CN112472863B (en) | Negative ion functional chip, preparation method and negative ion sanitary towel | |
| CN105731446A (en) | Preparation method and product of ultrahigh-specific-area sulphur-nitrogen-co-doped porous graphene | |
| CN104607144A (en) | Structure self-growing aqueous phase phosphate radical adsorbing material and preparation method and application thereof | |
| CN106129351A (en) | A kind of RGO/In2s3the preparation method of composite | |
| CN105347322A (en) | Spherical nano-porous hydroxylapatite prepared through shells and preparation method thereof | |
| CN102786321A (en) | Preparation method of nanowire reinforced hydroxyapatite coating | |
| CN103638823B (en) | A kind of preparation method of crosslinked-chitosancompositee compositee membrane | |
| CN104085929A (en) | Method for preparing tungsten oxide nanowire at low temperature | |
| CN103241719A (en) | Preparation method of high-orientation nanometer hydroxyapatite crystalline colloidal array | |
| CN107142285A (en) | A kind of method that coupling producing methane through anaerobic fermentation is electrolysed based on carbon electrode | |
| CN104724693B (en) | 3D porous carbon materials based on organic salt, preparation method and applications | |
| CN101456754A (en) | Method for preparing beta-TCP//HAP/Ca2P2O7 multiphase porous bioceramic | |
| CN104843702A (en) | Mat grass activated carbon and preparing method thereof | |
| CN108467037A (en) | A method of improving cocoanut active charcoal preparation efficiency | |
| CN111017909A (en) | Preparation method of novel graphene composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |